Last Quarter Moon
Sunday, 21 December 1997 · 21:43 local in London
1997-12-21 21:43 UTC · Europe/London
Last Quarter Moon occurs at 21:43 local time in London on 21 December. Half of the visible disc is lit on the opposite side from first quarter. Morning observers get the best view of the terminator.
Moon altitude
-20°
At the exact phase
Illumination
50%
Last Quarter
Local date
21 Dec
1997
Viewing tips
- Best viewing is after midnight and into the morning.
- The terminator favours craters on the opposite side from first quarter.
- Twilight can still give a pleasing low-contrast view.
Visibility, honestly
Below the horizon at the exact moment — look near moonrise or moonset.
A phase is a global instant; whether it is above your horizon depends on location. Weather is not included here. Check the tonight outlook for cloud cover and a viewing score. No eclipse or conjunction claim is made on this page.
Phase times from Astronomy Engine. Rise/set and altitude use atmospheric refraction. Method
Last Quarter · 50% lit
Phase at 21:43 local · NASA LRO surface
Next moonrise
00:00
Next moonset
12:20
Next events
Calendar →Dec 1997
29
New Moon
Not visible16:57 local · Mon, Mon 29 Dec · Moon -5°
Jan 1998
5
First Quarter Moon
Above horizon14:18 local · Mon, Mon 5 Jan · Moon 23°
Jan 1998
12
Full Moon
Above horizon17:24 local · Mon, Mon 12 Jan · Moon 7°
Jan 1998
20
Last Quarter Moon
Below horizon19:40 local · Tue, Tue 20 Jan · Moon -42°